Observation of quasi-two-dimensional nonlinear interactions in a drift-wave streamer

T. Yamada, S. I. Itoh, S. Inagaki, Y. Nagashima, N. Kasuya, K. Kamataki, H. Arakawa, T. Kobayashi, M. Yagi, A. Fujisawa, K. Itoh

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28 Citations (Scopus)

Abstract

A streamer, which is a bunching of drift-wave fluctuations, and its mediator, which generates the streamer by coupling with other fluctuations, have been observed in a cylindrical magnetized plasma. Their radial structures were investigated in detail by using the biphase analysis. Their quasi-two- dimensional structures were revealed to be equivalent with a pair of fast and slow modes predicted by a nonlinear Schrödinger equation based on the Hasegawa-Mima model.

Original languageEnglish
Article number225002
JournalPhysical review letters
Volume105
Issue number22
DOIs
Publication statusPublished - Nov 23 2010

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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